Repair Tips
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Results: 88097
Results: 88097
| Make | Model | Symptom | Problem | Solution | By |
|---|---|---|---|---|---|
| GRADIENTE |
IA-II
ESOTECH |
Blowing mains input fuse | Shorted rectifier bridge | Replace the bridge, and check secondary power supply components. | Trendset |
| SAMSUNG |
LN40A550
|
No image, white screen curtain effect | Lack of vgh voltage (22 volts) on the tcon board, measure on the tp next to the lvds cable on the left side | Replace dual a7s or a7w diode ( dp5 ) on tcon board | CDS_DIAS |
| PHILCO |
PTV43E60SN
SERIE B |
Does not turn on back light | Ci u81 | Replace ci u81 | central audio e video |
| SEMP |
LC4245W
|
Only turns on the backlight, without image. | Found broken fuse on main board position f801 is a blue fuse. We found a shorted capacitor on the t-con board that was causing the defect, just remove it and change the fuse. | EC | |
| SEMP |
LC4245W
|
Defect missing characters or colored characters in the menu, volume or TV information. | Defect in memory n302, it looks like nand memory, it has 66 pins. He is the one who provides character information for the TV. Just change, I didn't find his data for sale so I could re-record it. Remembering that it will not solve black screen defects, the memory for black screen defects is n304. | EC | |
| SEMP |
LC4245W
|
Audio noise, normal image | Defect in d601 (main board), the diode was open. To facilitate its position, it is slightly below the sound output, close to 2 connectors. | EC | |
| SEMP |
LC4245W
|
No audio, normal image | Defect in the n801 (main board) that generates 5v, the 5v was low and did not generate audio. | EC | |
| SAMSUNG |
LE37A330J1
|
Doesn't start | Rb806 - 100kΩ/2w open (o/c) power supply bn44-00220a | CAOP | |
| SAMSUNG |
UN40H5103AGXZD
|
Doesn't start | Short 8 pin smd capicitors ic 310 main board line 1.15v | Replace 2 smd capacitors | Paulo Pinho |
| PHILCO |
PH24M LED A2
|
Doesn't start. Not even the LED lights up. totally dead. | Power supply. IC1 (LD7531A SMD). little regulator with 6 legs. I didn't find it new in my city. So, I scrapped it. | Eletrônica R-Tec | |
| LG |
50PB650B
|
LED blinking twice | Ysus board short | After replacing the broken c174, I found Q401, Q402, Q403, Q404, D556, DZ552, Q552 and Q554 short, the last two because they didn't have the same ones (SMK0460 - 600V, 4A), I replaced it with (7NM60N - 600V, 7A) and the TV started working again. | David jr. |
| CCE |
CS-585 C
|
Volume acts on the display but the sound remains low and does not increase in intensity | Q509 - bc337-25 open | All it took was replacing it and the sound returned to normal. | Mr Técnico |
| PHILIPS |
21PT9467/78
|
Shutting down with reduced frame | Replace d104 short | Mailson | |
| PANASONIC |
SA-AK17
|
Stuck in cd changer does not change functions | CD mechanical defect | Check the cables flet both the drive cable that activates the mechanics and the one that controls the unit as a whole, but it is probably that this last one, the one on the plate that controls the unit, is defective, check it when cold! | Lucas |
| PANASONIC |
SA-AK17
|
It shows f61 when it turns on when it tries to turn on again, it starts and shows f61 again only on the third or fourth attempt, it turns on normally but turns off sometimes and if it stays off for a long time it starts all over again. | Lack of tape and cd mechanics | Checks connection and flexes of both in search of trail or broken wires | Lucas |
| SHARP |
RB-5A66
INTERACTIVE |
Microwave won't turn on | Blown fuse, when changing it, it blew again, checking the components, the high voltage capacitor was completely shorted | High voltage capacitor, and 20 a fuse | Trendset |
| SANYO |
CTP3792
|
Vertical with 4 fingers closed at the bottom | R514 r515 open or altered 4.7k 2.7k 1/8w | Swap resolved | orlando lott |
| SEMP |
LC3246WDA KK
|
TV does not go to standby green LED on | Cause of the defect lack of 5v in the 1.5v voltage regulator IC.. | Make a jump from l801 to l807. Thanks to my colleague Diego Lima for the tip posted. | TV CENTER GUAIBA |
| LENOXX |
MS 8300
|
Stays on standby, turns on and off with fail appearing on the display | Corrupted memory, in my case I re-recorded it using the device's own pendrive. | I used all the tips and files on this site, credits to him. https://eletronicageral.com.br/dados-flash-e-software-system-ms8300-lenoxx/ | Lucas |
| PHILCO |
24M
|
I'm sound | Capacitor de 1000x10volts e1500x25vol | João Marques |